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Removed dependency on openssl, added AES implementation from polarssl instead

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This commit is contained in:
Martin Holst Swende 2015-01-12 21:47:36 +01:00
parent 68033ed776
commit 1f6417a9b2
2 changed files with 15 additions and 10 deletions
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20
client/scripting.c
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@ -18,8 +18,8 @@
#include "util.h"
#include "nonce2key/nonce2key.h"
#include "../common/iso15693tools.h"
#include <openssl/aes.h>
#include "../common/crc16.h"
#include "aes.h"
/**
* The following params expected:
* UsbCommand c
@ -240,10 +240,10 @@ static int l_aes(lua_State *L)
const char *p_encTxt = luaL_checklstring(L, 2, &size);
unsigned char indata[AES_BLOCK_SIZE] = {0x00};
unsigned char outdata[AES_BLOCK_SIZE] = {0x00};
unsigned char aes_key[AES_BLOCK_SIZE] = {0x00};
unsigned char iv[AES_BLOCK_SIZE] = {0x00};
unsigned char indata[16] = {0x00};
unsigned char outdata[16] = {0x00};
unsigned char aes_key[16] = {0x00};
unsigned char iv[16] = {0x00};
// convert key to bytearray
for (i = 0; i < 32; i += 2) {
@ -255,10 +255,14 @@ static int l_aes(lua_State *L)
sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
}
AES_KEY key;
AES_set_decrypt_key(aes_key, 128, &key);
AES_cbc_encrypt(indata, outdata, sizeof(indata), &key, iv, AES_DECRYPT);
//AES_KEY key;
//AES_set_decrypt_key(aes_key, 128, &key);
//AES_cbc_encrypt(indata, outdata, sizeof(indata), &key, iv, AES_DECRYPT);
aes_context ctx;
aes_init(&ctx);
aes_setkey_enc(&ctx,(const unsigned char *)p_key,128);
aes_crypt_cbc(&ctx,AES_DECRYPT,sizeof(indata), iv, indata,outdata );
//Push decrypted array as a string
lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
return 1;// return 1 to signal one return value